Sharp AH-AP18DR User manual

1
AH/AY-AP18DR
AH/AY-AP24DR
INDOOR UNIT
AH-AP18DR AY-AP18DR
AH-AP24DR AY-AP24DR
OUTDOOR UNIT
MODELS
SERVICE MANUAL
S5305AYAP24DR
SHARP CORPORATION
In the interests of user-safety (Required by safety regulations in some
countries) the set should be restored to its original condition and only
parts identical to those specified should be used.
SPLIT SYSTEM
ROOM AIR CONDITIONERS
AU-A18DR AE-A18DR
AU-A24DR AE-A24DR
TABLE OF CONTENTS
Page
SPECIFICATIONS ............................................................................................................................................. 2
EXTERNAL DIMENSIONS ...............................................................................................................................4
WIRING DIAGRAMS .........................................................................................................................................5
ELECTRICAL PARTS ....................................................................................................................................... 9
MICROCOMPUTER CONTROL SYSTEM .....................................................................................................11
FUNCTIONS ...................................................................................................................................................19
TROUBLESHOOTING GUIDE OF CONTROL CIRCUIT................................................................................ 27
REFRIGERATION CYCLE .............................................................................................................................. 32
PERFORMANCE CURVES ............................................................................................................................34
REFRIGERANT PIPE INSTALLATION WORKS .............................................................................................35
DISASSEMBLING PROCEDURE ...................................................................................................................37
REPLACEMENT PARTS LIST ........................................................................................................................46

AH/AY-AP18DR
AH/AY-AP24DR
2
SPECIFICATIONS
ITEMS INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT
AY-AP18DR AE-A18DR AY-AP24DR AE-A24DR
Cooling capacity kW 5.2 6.7
Heating capacity kW 5.5 8.1
Moisture removal Liters/h 1.6 2.2
Electrical data
Phase – Single
Rated frequency Hz 50
Rated voltage V 220 – 240
Rated current Cool A 9.2 – 9.3 12.7 – 13.1
Heat A 8.2 – 8.4 13.3 – 13.6
Rated input Cool kW 1.99 – 2.15 2.62 – 2.76
Heat kW 1.77 – 1.93 2.75 – 2.90
Rated factor Cool % 98 – 96 94 – 88
Heat % 98 – 96 94 – 89
Compressor Type Hermetically sealed rotary type
Model 5KS225DAA 5JS315DAB
Oil charge 470cc [RB68A or Freol AlPha68M] 700cc [RB68A or Freol AlPha68M]
Refrigerant system Evaporator Louver fin and Grooved tube type
Condenser Corrgate fin and Grooved tube type
Control Capillary tube
Refrigerant volume (R-410A) 1060g 1550g
De-lce system Micro computer controled reverse sysetm
Noise level High dB(A) 41 52 45 54
(at cooling) Med. dB(A) 36 – 39 –
Low dB(A) 34 – 37 –
Fan system
Drive Direct drive
Air flow quantity High m3/min. 15.7 48 18.3 46
(at cooling) Med. m3/min. 13.9 – 14.7 –
Low m3/min. 11.7 – 13.5 –
Fan Cross flow fan Propeller fan Cross flow fan Propeller fan
Connections
Refrigerant coupling Flare type
Refrigerant tube size Gas, Liquid 1/2", 1/4"
Drain piping mm O.D ø 20
Others
Safety device Compressor: Internal protector Compressor: Internal protector
Fan motors: Thermal protector(Internal)
Fuse, Micro computer control
Air filters Polypropylene net (Washable)
Net dimensions Width mm 1040 (1155) 890 (1020) 1040 (1155) 890 (1020)
(Cartont dimensions) Height mm 325 (300) 645 (735) 325 (300) 645 (735)
Depth mm 220 (385) 327 (398) 220 (385) 327 (398)
Net weight (Gross weight) kg 16 (21) 54 (58) 16 (21) 61 (65)
Note: The condition of star ( ) marked item are ‘ISO5151:1994(E), condition T1’.

3
AH/AY-AP18DR
AH/AY-AP24DR
ITEMS INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT
AH-AP18DR AU-A18DR AH-AP24DR AU-A24DR
Cooling capacity kW 5.2 6.7
Moisture removal Liters/h 1.6 2.2
Electrical data
Phase – Single
Rated frequency Hz 50
Rated voltage V 220 – 240
Rated current A9.2 – 9.3 12.7 – 13.1
Rated input kW 1.99 – 2.15 2.62 – 2.76
Rated factor %98 – 96 94 – 88
Compressor Type Hermetically sealed rotary type
Model 5KS225DAA 5JS315DAB
Oil charge 470cc [RB68A or Freol AlPha 68M] 700cc [RB68A or Freol AlPha 68M]
Refrigerant system Evaporator Louver fin and Grooved tube type
Condenser Louver fin and Grooved tube typ
Control Capillary tube
Refrigerant volume (R-410A) 910g 1380g
De-lce system Micro computer controled reverse sysetm
Noise level High dB(A) 41 52 45 54
(at cooling) Med. dB(A) 36 – 39 –
Low dB(A) 34 – 37 –
Fan system
Drive Direct drive
Air flow quantity High m3/min. 15.7 48 18.3 46
(at cooling) Med. m3/min. 13.9 – 14.7 –
Low m3/min. 11.7 – 13.5 –
Fan Cross flow fan Propeller fan Cross flow fan Propeller fan
Connections
Refrigerant coupling Flare type
Refrigerant tube size Gas, Liquid 1/2", 1/4"
Drain piping mm O.D ø 20
Others
Safety device Compressor: Internal protector Compressor: Internal protector
Fan motors: Thermal protector(Internal)
Fuse, Micro computer control
Air filters Polypropylene net (Washable)
Net dimensions Width mm 1040 (1155) 890 (1020) 1040 (1155) 890 (1020)
(Cartont dimensions) Height mm 325 (300) 645 (735) 325 (300) 645 (735)
Depth mm 220 (385) 327 (398) 220 (385) 327 (398)
Net weight (Gross weight) kg 16 (21) 51 (55) 16 (21) 60 (64)
Note: The condition of star ( ) marked item are ‘ISO5151:1994(E), condition T1’.

AH/AY-AP18DR
AH/AY-AP24DR
4
EXTERNAL DIMENSIONS
Figure E-1. INDOOR UNIT
Figure E-2. OUTDOOR UNIT
220
950
Power supply cord
(AY-AP18DR, AH-AP18DR only)
[Length unit : mm]
325
1040
Remote controller
58
18.5
22
140
SAVE
MODE
TEMP.
FANIH
SWING CANCELFULL POWER
INVERTER AIR CONDITIONER
TEMP.
MODE
FAN
TIMER
570
645
202
122
320 342
890 29037
30
172 25
62 46.3
10.5
ø4.5

5
AH/AY-AP18DR
AH/AY-AP24DR
WIRING DIAGRAMS
Figure W-1. Wiring Diagram for AY-AP18DR
Figure W-2. Wiring Diagram for AE-A18DR

AH/AY-AP18DR
AH/AY-AP24DR
6
Figure W-3. Wiring Diagram for AY-AP24DR
Figure W-4. Wiring Diagram for AE-A24DR

7
AH/AY-AP18DR
AH/AY-AP24DR
Figure W-5. Wiring Diagram for AH-AP18DR
Figure W-6. Wiring Diagram for AU-A18DR

AH/AY-AP18DR
AH/AY-AP24DR
8
Figure W-7. Wiring Diagram for AH-AP24DR
Figure W-8. Wiring Diagram for AU-A24DR

9
AH/AY-AP18DR
AH/AY-AP24DR
ELECTRICAL PARTS
Part Part Name Items Specifications
No. AY-AP18DR AY-AP24DR
1Terminal Board Rating 300V 25A
2Fan motor Rating 400V 2µF
Capacitor
3Relay-1 Rating AC250V 20A –
(RY1) Coil Volt.; 12V
4Relay-2 Rating AC250V 3A
(RY2, RY3, RY4) Coil Volt.; 12V
5Printed Wiring Material Paper Base Phenolic Resin (UL 94V-0)
Board
6 Transformer Rating Pri 220 - 240VAC Sec. 19.0VDC
7Fan motor Rating 220 - 240VAC 50Hz 41W 4-Pole
Type MLA999
Thermal Protector Cut off 135±10˚C
(Internal)
8Power Supply Rating 3G 1.5mm2–
Cord H05VV-F –
9Louver Motor Rating DC12V
Type MP24GA
Part Part Name Items Specifications
No. AE-A18DR AE-A24DR
1Terminal Board Rating 300V 25A
2Fan motor Rating 450V 3µF 450V 3µF
Capacitor
3Running Rating 400V 50µF 400V 45µF
Capacitor
4Compessor Rating AC220 - 240V 50Hz 1500W AC220 - 240V 50Hz 2200W
Type 5KS225DAA 5JS315DAB
5Fan motor Rating 220 - 240VAC 50Hz 71W 6-Pole 220 - 240VAC 50Hz 75W 6-Pole
Type MLB002 MLB015
Thermal protector Cut off 135˚C±5˚C
(Internal)
6 Relay 5 Rating – AC250V 30A
for Compressor Coil volt: 200 -240VAC

AH/AY-AP18DR
AH/AY-AP24DR
10
Part Part Name Items Specifications
No. AH-AP18DR AH-AP24DR
1Terminal Board Rating 300V 25A
2Fan motor Rating 400V 2µF
Capacitor
3Relay-1 Rating AC250V 20A –
(RY1) Coil Volt.; 12V
4Relay-2 Rating – AC250V 5A
(RY4) Coil Volt.; 12V
5Printed Wiring Material Paper Base Phenolic Resin (UL 94V-0)
Board
6Transformer Rating Pri 220 - 240VAC Sec. 16.8V DC 0.29A
7Fan motor Rating 220 - 240VAC 50Hz 41W 4-Pole
Type MLA999
Thermal Protector Cut off 135±10˚C
(Internal)
8Power Supply Rating 3G 1.5mm2–
Cord Type H05VV-F –
9Louver Motor Rating DC12V 250
Type MP35EA
Part Part Name Items Specifications
No. AU-A18DR AU-A24DR
1Terminal Board Rating 300V 25A
2Fan motor Rating 450V 3µF 450V 3µF
Capacitor
3Running Rating 400V 50µF 400V 45µF
Capacitor
4Compessor Rating AC220 - 240V 50Hz 1500W AC220 - 240V 50Hz 2200W
Type 5KS225DAA 2JS315DAB
5Fan motor Rating 220 - 240VAC 50Hz 71W 6-Pole 220 - 240VAC 50Hz 75W 6-Pole
Type MLB002 MLB015
Thermal protector Cut off 135˚C±5˚C
(Internal)
6 Relay 4 Rating – AC250V 30A
Coil volt: 200 -240V